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Finding the Fourth Proportional to 219,799.48, 329,754.66 and 101,554.42

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Solution

The fourth proportional to 219,799.48, 329,754.66 and 101,554.42 is: 152,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,799.48 : 329,754.66 = 101,554.42 : x
  2. Step 2: Convert to fraction form
    219,799.48/329,754.66 = 101,554.42/x
  3. Step 3: Cross multiply
    219,799.48x = 329,754.66 × 101,554.42
  4. Step 4: Simplify right side
    219,799.48x = 33,488,043,238.60
  5. Step 5: Solve for x
    x = 33,488,043,238.60/219,799.48
  6. Step 6: Final answer
    x = 152,357.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.